[ 
https://issues.apache.org/jira/browse/HIVE-19891?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16553364#comment-16553364
 ] 

Hive QA commented on HIVE-19891:
--------------------------------

| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
|| || || || {color:brown} Prechecks {color} ||
| {color:green}+1{color} | {color:green} @author {color} | {color:green}  0m  
0s{color} | {color:green} The patch does not contain any @author tags. {color} |
|| || || || {color:brown} master Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  8m 
 8s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m  
7s{color} | {color:green} master passed {color} |
| {color:green}+1{color} | {color:green} checkstyle {color} | {color:green}  0m 
42s{color} | {color:green} master passed {color} |
| {color:blue}0{color} | {color:blue} findbugs {color} | {color:blue}  4m  
1s{color} | {color:blue} ql in master has 2280 extant Findbugs warnings. 
{color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
56s{color} | {color:green} master passed {color} |
|| || || || {color:brown} Patch Compile Tests {color} ||
| {color:green}+1{color} | {color:green} mvninstall {color} | {color:green}  1m 
30s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} compile {color} | {color:green}  1m  
4s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javac {color} | {color:green}  1m  
4s{color} | {color:green} the patch passed {color} |
| {color:red}-1{color} | {color:red} checkstyle {color} | {color:red}  0m 
42s{color} | {color:red} ql: The patch generated 3 new + 497 unchanged - 0 
fixed = 500 total (was 497) {color} |
| {color:green}+1{color} | {color:green} whitespace {color} | {color:green}  0m 
 0s{color} | {color:green} The patch has no whitespace issues. {color} |
| {color:green}+1{color} | {color:green} findbugs {color} | {color:green}  4m 
11s{color} | {color:green} the patch passed {color} |
| {color:green}+1{color} | {color:green} javadoc {color} | {color:green}  0m 
57s{color} | {color:green} the patch passed {color} |
|| || || || {color:brown} Other Tests {color} ||
| {color:green}+1{color} | {color:green} asflicense {color} | {color:green}  0m 
13s{color} | {color:green} The patch does not generate ASF License warnings. 
{color} |
| {color:black}{color} | {color:black} {color} | {color:black} 24m  4s{color} | 
{color:black} {color} |
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|| Subsystem || Report/Notes ||
| Optional Tests |  asflicense  javac  javadoc  findbugs  checkstyle  compile  |
| uname | Linux hiveptest-server-upstream 3.16.0-4-amd64 #1 SMP Debian 
3.16.36-1+deb8u1 (2016-09-03) x86_64 GNU/Linux |
| Build tool | maven |
| Personality | 
/data/hiveptest/working/yetus_PreCommit-HIVE-Build-12802/dev-support/hive-personality.sh
 |
| git revision | master / 5e7aa09 |
| Default Java | 1.8.0_111 |
| findbugs | v3.0.0 |
| checkstyle | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-12802/yetus/diff-checkstyle-ql.txt
 |
| modules | C: ql U: ql |
| Console output | 
http://104.198.109.242/logs//PreCommit-HIVE-Build-12802/yetus.txt |
| Powered by | Apache Yetus    http://yetus.apache.org |


This message was automatically generated.



> inserting into external tables with custom partition directories may cause 
> data loss
> ------------------------------------------------------------------------------------
>
>                 Key: HIVE-19891
>                 URL: https://issues.apache.org/jira/browse/HIVE-19891
>             Project: Hive
>          Issue Type: Bug
>            Reporter: Sergey Shelukhin
>            Assignee: Sergey Shelukhin
>            Priority: Major
>         Attachments: HIVE-19891.01.patch, HIVE-19891.02.patch, 
> HIVE-19891.03.patch, HIVE-19891.04.patch, HIVE-19891.05.patch, 
> HIVE-19891.06.patch, HIVE-19891.07.patch, HIVE-19891.patch
>
>
> tbl1 is just used as a prop to create data, could be an existing directory 
> for an external table.
> Due to weird behavior of LoadTableDesc (some ancient code for overriding old 
> partition path), custom partition path is overwritten after the query and the 
> data in it ceases being a part of the table (can be seen in desc formatted 
> output with masking commented out in QTestUtil)
> This affects branch-1 too, so it's pretty old.
> {noformat}drop table tbl1;
> CREATE TABLE tbl1 (index int, value int ) PARTITIONED BY ( created_date 
> string );
> insert into tbl1 partition(created_date='2018-02-01') VALUES (2, 2);
> CREATE external TABLE tbl2 (index int, value int ) PARTITIONED BY ( 
> created_date string );
> ALTER TABLE tbl2 ADD PARTITION(created_date='2018-02-01');
> ALTER TABLE tbl2 PARTITION(created_date='2018-02-01') SET LOCATION 
> 'file:/Users/sergey/git/hivegit/itests/qtest/target/warehouse/tbl1/created_date=2018-02-01';
> select * from tbl2;
> describe formatted tbl2 partition(created_date='2018-02-01');
> insert into tbl2 partition(created_date='2018-02-01') VALUES (1, 1);
> select * from tbl2;
> describe formatted tbl2 partition(created_date='2018-02-01');
> {noformat}



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